[Bug 297436] netmap: signed nr_port_idx causes out-of-bounds access in netmap_vale_list()

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 297436] netmap: signed nr_port_idx causes out-of-bounds access in netmap_vale_list()"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 11 Aug 2026 13:20:56 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=297436

--- Comment #1 from 王雪阳 <yangyang20250212@163.com> ---
Tested environment
  ==================

  Operating system: FreeBSD 14.4-STABLE
  Architecture: amd64
  Kernel ident: SYZKALLER
  Base image source revision: cc921088d9ee
  Base image date: 2026-05-14
  Virtualization: QEMU/KVM

  The kernel is based on the FreeBSD 14.4-STABLE amd64 image identified by
  revision cc921088d9ee, with the SYZKALLER kernel
configuration/instrumentation.
  The issue was reproduced in clean snapshot VMs.

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